<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>Document</title>
    <style>
        *{
            margin: 0;
            padding: 0;
        }
        .item{
            display: grid;
            
        }
    </style>
</head>
<body>
    <div class="item">one</div>
    <div class="item">two</div>
    <div class="item ">three</div>
    <div class="item">four</div>
    <div class="item">five</div>
    <div class="item">six</div>
</body>
</html>